content: /*
   * Copyright 2016-present David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.rxjava3.basetypes;
  
  import java.util.Objects;
  
  import org.reactivestreams.Subscriber;
  
  import io.reactivex.rxjava3.exceptions.Exceptions;
  import io.reactivex.rxjava3.functions.Supplier;
  import io.reactivex.rxjava3.internal.subscriptions.EmptySubscription;
  
  /**
   * Signals a Throwable returned by a supplier.
   *
   * @param <T> the value type
   */
  final class SoloErrorSupplier<T> extends Solo<T> implements Supplier<T> {
  
      final Supplier<? extends Throwable> errorSupplier;
  
      SoloErrorSupplier(Supplier<? extends Throwable> errorSupplier) {
          this.errorSupplier = errorSupplier;
      }
  
      @Override
      protected void subscribeActual(Subscriber<? super T> s) {
          Throwable ex;
  
          try {
              ex = Objects.requireNonNull(errorSupplier.get(), "The errorSupplier returned a null Throwable");
          } catch (Throwable exc) {
              Exceptions.throwIfFatal(exc);
              ex = exc;
          }
  
          EmptySubscription.error(ex, s);
      }
  
      @Override
      public T get() throws Throwable {
          throw Objects.requireNonNull(errorSupplier.get(), "The errorSupplier returned a null Throwable");
      }
  }
  